The Evolve Cabin Management Unit (CMU) is a powerful control center with multiple wireless radios, 2-10K digital pots, 2-100 ohm digital pots, 1 chime output, 24 high sides switches, 8 low Side Switches, 16 discrete inputs, 2 RS-485, 1 RS-232, 2 Can bus, and 4 variable voltage outputs.